Income Taxes - Reconciliation Of Income Tax Rates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, Amount
Statutory rate	$ (1,889)	$ 964
Foreign tax rate differential	(306)	20
State income taxes, net of federal benefit	327	132
Non-deductible expenses	200	153
Tax benefits related to disposition of the Test and Inspection Services business	0	(2,130)
Income tax credits	(261)	(227)
Change in income tax rates	176	379
Tax on unremitted foreign earnings	439	(68)
Change in valuation allowance	37,895	1,807
Other	100	89
Total income tax expense	$ 36,681	$ 1,119
Effective Income Tax Rate Reconciliation, Percent
Statutory rate	21.00%	21.00%
Foreign tax rate differential	3.40%	0.40%
State income taxes, net of federal benefit	(3.60%)	2.90%
Non-deductible expenses	(2.20%)	3.30%
Tax benefits related to disposition of the Test and Inspection Services business	0.00%	(46.40%)
Income tax credits	2.90%	(4.90%)
Change in income tax rates	(2.00%)	8.30%
Tax on unremitted foreign earnings	(4.90%)	(1.50%)
Change in valuation allowance	(421.20%)	39.40%
Other	(1.10%)	1.90%
Total income tax expense/ Effective rate	(407.70%)	24.40%